Bathroom renovation cost in London (2026)
By Kristian Toth, Co-owner, Making World Beautiful · Last updated: 16 October 2026
Short answer
Most MWB bathroom renovations in London cost £15,000–£40,000. A standard bathroom takes about 2–4 weeks on site.
| Scope | Typical cost | Time on site |
|---|---|---|
| Shower room or en-suite | £15,000–£22,000 | 2–3 weeks |
| Family bathroom, full refit | £22,000–£30,000 | 3–4 weeks |
| Premium: stone, wet room, bespoke vanity | £30,000–£40,000 | 4–5 weeks |
Indicative MWB prices including labour and materials. Your fixed price follows a free site visit.
What drives the cost of a bathroom?
Tiling area, waterproofing and moving pipework drive most of the cost.
- Tiles and natural stone
- Wet room tanking and underfloor heating
- Sanitaryware and brassware
- Moving soil pipes or the toilet position
What hidden costs should I budget for?
Allow roughly 10–15% on top of the build price for fees and contingency. The most common extras in London are:
- Party wall surveyor: typically £700–£1,500 per neighbour if works affect a shared wall
- Structural engineer calculations: usually £500–£2,000
- Building control fees: commonly £800–£2,000 depending on the council
- Skip permits and parking suspensions: charged per week by the borough
- Planning or lawful development certificate fees where needed
Frequently asked questions
How much does a bathroom renovation cost in London?
With MWB, between £15,000–£40,000.
How long does a bathroom renovation take?
Usually 2–4 weeks on site, up to 5 weeks for premium stone bathrooms.